app.controller("itemCatController",function ($scope,$controller,itemCatService) {

    $scope.list=[];

    $scope.grade = 1;

    $scope.entity_1={};

    $scope.entity_2={};

    $scope.setGrade=function (num) {

        $scope.grade=num;
    }

    $scope.selectList=function(entity){

        if($scope.grade==1){

            $scope.entity_1={};
            $scope.entity_2={};
        }else if($scope.grade==2){

            $scope.entity_1=entity;
            $scope.entity_2={};
        }else {

            $scope.entity_2=entity;
        }

        $scope.findByParentId(entity.id);

    }

    $scope.findByParentId=function(parentId) {

        itemCatService.findByParentId(parentId).then(function (result) {

            $scope.list=result.data;
        })

    }

});